Comprehensive side-by-side LLM comparison
o3 mini offers 164.0K more tokens in context window than DeepSeek-V3.2-Speciale. DeepSeek-V3.2-Speciale is $4.13 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V3.2-Speciale is a high-compute variant of DeepSeek-V3.2 with 685 billion total parameters, made available for a limited period in December 2025. It was released without tool-calling support but demonstrated exceptional reasoning performance, achieving gold-medal results in the 2025 IMO and IOI competitions. DeepSeek-V3.2-Speciale targets research and benchmarking use cases requiring maximum reasoning capability under an MIT license.
OpenAI
OpenAI o3 mini, released by OpenAI in January 2025, is a compact reasoning model from the o3 family designed for efficient, cost-effective STEM problem-solving. It features a 200K token context window and adjustable chain-of-thought effort settings, allowing developers to trade reasoning depth for speed. o3 mini targets science, mathematics, and coding applications where lower inference cost and faster response times are a priority.
10 months newer

o3 mini
OpenAI
2025-01-31

DeepSeek-V3.2-Speciale
DeepSeek
2025-12
Cost per million tokens (USD)
DeepSeek-V3.2-Speciale
o3 mini
Context window and performance specifications
Available providers and their performance metrics
DeepSeek-V3.2-Speciale
DeepSeek
o3 mini
DeepSeek-V3.2-Speciale
o3 mini
DeepSeek-V3.2-Speciale
o3 mini
OpenAI